68 ME. F. E. BEDDARD ON THE ENCEPHALIC [May 16, 



cerebral artery arises from the circle of Willis a very short way in 

 front of the Sylvian artery. This vessel runs forwards parallel 



Text-fia-. 20. 



Text-fig. 21. 



[>'fs 



[Ca- 



Text-fig. 20. — Testudo vicina. Ventral aspect of brain, showing cliief arteries. 



tv. Junction of two halves of the circle of Willis anteriorly. 



Other lettering as in text-fig. 16. 



Text-fig. 21. — Testudo vicina. Lateral aspect of brain, showing cliief arteries. 



S. Sj'lvian. to. Junction of two halves of the circle of Willis anteriorly. 



Other lettering as in text-fig. 16. 



with and close to the olfactory branch of the Sylvian, and finally 

 ends in an anastomosis with the main stem, from which the 



